In this source code, I show how to make a complete Facebook instance game. 

here you can find :

* Facebook instant game loading code.

* Facebook instant game score save code in Facebook id.

* Facebook Instant game user details getting code.

* Facebook Instant game play with friends code.

* Facebook Instant game score shar with friends code. 

* Facebook Instant game ads implementation.

this source code help you for making full facebook instant game.

note: this code is not working in the local server. you can check the preview of this code after uploaded facebook.